Sundown HZ10D4 Horizon Series 10" Subwoofer Dual 4-Ohm 1500W Peak / 750W RMS

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SKU: SUN-HZ10D4
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Regular price $299.99 USD
Massive Power & Clarity

Massive Power & Clarity

Superior Performance

Superior Performance

Advanced Technology

Advanced Technology

Premium Quality

Premium Quality

Sundown Audio HZ10D4 Horizon Series 10" Subwoofer delivers deep, powerful bass with 750W RMS / 1500W peak power, Dual 4Ω voice coils, and 14mm Xmax for superior excursion. Built with a heavy-duty cast aluminum frame, vented cooling system, and stitched tinsel leads for durability. Perfect for ported enclosures for maximum output.

Features:

  • RMS Power: 10" – 750W RMS / 2.5" Voice Coil
  • Voice Coil Options: Dual 4Ω – High-temp 4-layer copper voice coil wire
  • XMAX: Class-leading 14mm Xmax
  • Frame: Heavy-duty cast aluminum basket
  • Cooling: Vented motor gap and pole piece for optimized heat dissipation
  • Durability: Stitched Mini-XL tinsel leads and bolted spider pack
  • Suspension: High-roll surround with progressive spider for smooth, controlled excursion
  • Recommended Enclosure: Ported for maximum efficiency and output

Specifications:

RE (Ohms): 6.13

FS (Hz): 33.143

VAS (L): 22.863

Qes: 0.539

Qms: 3.430

Qts: 0.466

BL (NA): 19.782

Mms (Grams): 165.360

Cms (mm/N): 139.453

Sensitivity (dB @ 1w/1m): 83.8

Xmax: 14 mm

UPC: 810111136006

Enclosure Specs:

Ported Enclosure

  • Size: 1.0 cu ft (net)
  • Port Area: 15 sq in
  • Port Tuning: 35 Hz

Sealed Enclosure

  • Size: 0.5 cu ft (net)
  • Displacement: 0.1 cu ft
  • Depth: 5.8"
  • Outside Diameter: 10.45"
  • Cutout: 9.2"

Free shipping in the 48 U.S. states. Orders placed before 11 PM ET process next business day; shipping takes 5–8 days. Tracking info is emailed once shipped. To cancel, contact info@eliteautogear.com within 24 hours. Processed orders can’t be canceled. Thank you for choosing Elite Auto Gear!

Customer Support : 9:00 am to 5:00 pm 

Address: 13446 Alondra Boulevard, Cerritos ,California 90703, United States

Email: info@eliteautogear.com

Phone: (877)-215-8187

From Boats to Jeeps to UTVs

Built to Be Heard Everywhere You Ride

Power That Dominates

Pushes up to 900W peak / 300W RMS for crystal-clear highs and bass that cuts through wind, waves, or trails.

Built for Tough Rides

Engineered to withstand extreme conditions with rugged construction and weatherproof design.

Built for Power & Durability

Premium materials and advanced engineering ensure long-lasting performance in any environment.

Immersive Sound & Lighting

Experience rich, immersive audio with synchronized lighting effects that enhance every adventure.

Don’t Just Hear the Music—Feel It

Upgrade Your Ride With Pro-Level Sound

From waves to trails, Elite Auto Gear delivers gear that’s louder, cleaner, and tougher than stock. Get the power your setup deserves today.
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What Our Customers Are Saying

⭐ 4.9 stars reviews, Loved by Thousands

M**I
★ ★ ★ ★ ★

"Great packaging and super loud speakers would recommend buying and got delivered fast"

M**I

Verified Verified Customer
B.
★ ★ ★ ★ ★

"Installed Apocalypse 6.5 mids, DS18 tweeters, and Orion 6x9s in my 2014 Dodge Challenger RT — amazing sound! Quality and materials are top-notch. Definitely buying from them again."

B.

Verified Verified Customer
werita&chukito3
★ ★ ★ ★ ★

"10 de 10 con el envío super rápido espero que si tengan buen sonido estan muy bonitas"

werita&chukito3

Verified Verified Customer
★ ★ ★ ★ ★

"Definitely a must can't wait to install all my speakers I would buy from them again I got the apocalypse 6.5 mid range ds18 tweeters 3.5 full range and Orion 6x9 mid range"

Verified Verified Customer
★ ★ ★ ★ ★

"Me gustó mucho buena calidad Y suena recio como yo pensaba si se las recomiendo buen sonido"

Verified Verified Customer
B.
★ ★ ★ ★ ★

"The speakers were loud and good"

B.

Verified Verified Customer
obs_brycen
★ ★ ★ ★ ★

"Great product but it only comes with one tweeter so make sure you buy 2"

obs_brycen

Verified Verified Customer
s**a
★ ★ ★ ★ ★

"Súper buena calidad, buen sonido de voz, y llega en buenas condiciones"

s**a

Verified Verified Customer
bmtmanuel
★ ★ ★ ★ ★

"Received them and they work as i expected"

bmtmanuel

Verified Verified Customer
**l
★ ★ ★ ★ ★

"They got here before estimated arrival and are in amazing condition"

**l

Verified Verified Customer
M**S
★ ★ ★ ★ ★

"Muy buen producto de escucha muy bien"

M**S

Verified Verified Customer